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BenQ G2450HM Скачать руководство пользователя страница 1

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Applicable Country & Regions: Global

Service Manual for BenQ:

G2450HM: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7NLA.TBW

GL2450HM: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7CLA.TBE

GL2450HE: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7CLA.FBE

Glossy Black Chassis Colors

Product Service Manual – Level 1~2

Version: 2

nd

Date:10-31-2012

Notice:
For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and
liability statements.
Please check BenQ’s eSupport web site, http://esupport.benq.com, to ensure that you have the
most recent version of this manual.

First Edition (Sep. 2011)

©

Copyright BenQ Corporation 2011. All Right Reserved.

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Содержание G2450HM

Страница 1: ...ossy Black Chassis Colors Product Service Manual Level 1 2 Version 2nd Date 10 31 2012 Notice For RO to input specific Legal Requirement in specific NS regarding to responsibility and liability statem...

Страница 2: ...service information 8 5 Product Overview 9 5 1 Monitor Specifications 9 5 2 Panel Inspection Specification 21 Level 1 Cosmetic Appearance Alignment Service 26 Visual Inspection Cleaning 26 F W Upgrad...

Страница 3: ...Digital Micro mirror Device DRAM Dynamic RAM DVI Digital Visual Interface DVI D Digital Visual Interface digital DVI I Digital Visual Interface Integrated E EEPROM Electrically Erasable and Programma...

Страница 4: ...olor signals for TV By mixing levels of R G and B all colors Y C are ROM Read Only Memory S SDA Data signal on I2 C bus SDRAM Synchronous DRAM SW Sub Woofer Software T THD Total Harmonic Distortion V...

Страница 5: ...any time When repairing the circuit board please follow the requirement of RoHS and refer to the circuit diagram and repairing process that attached in the Service Manual The method of firmware updat...

Страница 6: ...ng any parts please confirming the RoHS requirement before replace them 2 2 Safety Warning and Notice Installation 1 Do not use your monitor under any of the following environmental conditions Extreme...

Страница 7: ...c shock do not dissemble or repair the monitor 7 If a bad smell or an abnormal sound appears to come from the monitor contact your nearest BenQ service center for assistance immediately Cleaning 1 Ens...

Страница 8: ...ility Power management for reducing power consumption when the computer is not in use This operating manual contains important information you require to start up and run your LCD monitor This specifi...

Страница 9: ...g Angle H V CR 10 170 160 170 160 Display Colors 16 7M 16 7M Response Time 5ms Tr Tf 5ms Tr Tf GtG response Time 2ms 2ms MPRT N A N A NTSC ratio 72 70 72 Video BenQ SenseyeTM Technology Senseye 3 Sens...

Страница 10: ...5 VESA Wall Mount 100 x 100 mm 100 x 100 mm Kensington Lock Yes Yes Container Loading foam cushion 40 1300 1300 Container Loading foam cushion 20 650 650 Multi language Support OSD 17 Languages Engli...

Страница 11: ...alia New Zealand V C Tick EMC V Must include radiation test result for frequency above 1GHz V China V CCC Safety EMC V Including CCC certificate CCC report and CCC label printing permission Eff Minimu...

Страница 12: ...ted please provide 1 sample for testing Meet the PC3R requirement of 2009 version V Korea KCC EMC V V KC Safety EMC V V e Standby GP Vender provide relevant information and formal test report Korean V...

Страница 13: ...O Safety V V Turkey V EEE Directive GP Vender provide relevant information and report V TR RoHS V CE Safety EMC V Same as the CE of EU America V Argentina V S Mark Safety V TUV S IRAM S etc V Canada V...

Страница 14: ...rovide relevant information and report V REACH GP Vender provide relevant information and report V Germany GS Safety V V Bauart Safety V V ISO9241 307 Safety V V MPR II Safety V Eastern Europe V Russi...

Страница 15: ...n RFQ International V All V Energy Star GP V Including Test Report by EPA recognition of Accreditation Laboratory and Certificate by EPA recognition of Certification Body CB Effective date 2011 1 1 Be...

Страница 16: ...New Zealand V C Tick EMC V Must include radiation test result for frequency above 1GHz V China V CCC Safety EMC V Including CCC certificate CCC report and CCC label printing permission Eff Minimun Lev...

Страница 17: ...ted please provide 1 sample for testing Meet the PC3R requirement of 2009 version V Korea KCC EMC V V KC Safety EMC V V e Standby GP Vender provide relevant information and formal test report Korean V...

Страница 18: ...O Safety V V Turkey V EEE Directive GP Vender provide relevant information and report V TR RoHS V CE Safety EMC V Same as the CE of EU America V Argentina V S Mark Safety V TUV S IRAM S etc V Canada V...

Страница 19: ...rovide relevant information and report V REACH GP Vender provide relevant information and report V Germany GS Safety V V Bauart Safety V V ISO9241 307 Safety V V MPR II Safety V Eastern Europe V Russi...

Страница 20: ...coFACTS Checklist in RFQ International V All V Energy Star GP V Including Test Report by EPA recognition of Accreditation Laboratory and Certificate by EPA recognition of Certification Body CB Effecti...

Страница 21: ...eject the modules shall be lapsed and the modules shall be deemed to have been accepted by the buyer 3 Inspection sampling method Unless otherwise agree in writing the method of incoming inspection sh...

Страница 22: ...Dark dots 15 mm Distance between Bright and Dark dots 15 mm 6 Display non uniformity Or Mura Note 5 6 Use 8 ND filter or judged by equivalent limit sample Note 1 For bright dot defect bright area shou...

Страница 23: ...me as bright dot judgment criteria Note 5 The display uniformity general mura symptoms will use 8 ND Filter That is the definition of Not Noticeable means the symptom can be covered by 8 ND Filter Not...

Страница 24: ...g Order Inspection Item Specification Note Name Unit Tolerance 1 Outside dimension vertical mm 0 8 mm Please refer to the product spec for detailed dimension definition Note 1 2 Outside dimension hori...

Страница 25: ...fferent temperature 7 Avoid displaying a fixed pattern exclude the white pattern for a long period which may lead to image sticking 8 Be sure to turn off the power when connecting or disconnecting the...

Страница 26: ...top of the cabinet are for ventilation They must not be blocked or covered Your monitor should never be placed near or over a radiator or heat source or in a built in installation unless proper ventil...

Страница 27: ...SB cable to PC USB port will pop up a Hardware Wizard to help you install the USB driver if you use this ISP board first time You can install it successfully as the below instruction step by step Rema...

Страница 28: ...28 4 Install the ISP tool 4 1 Copy the three files in one folder Click Finish to complete the USB serial port driver installation...

Страница 29: ...29 4 2 Double click to run the ISP tool 4 3 Set the parameters in Device window Tick WP Pin pull to high during ISP...

Страница 30: ...30 4 4 Connect to the monitor Click Connect If the tool communicate with monitor successfully the tool will detect the flash type of monitor 4 5 Load the F W you want to upgrade...

Страница 31: ...31 4 6 Set the restore address Please fill 0x03F000 and 4KB as follow 4 7 Set parameter in Auto window If you have set Restore address please tick Restore Data...

Страница 32: ...upgrade After clicking Run the tool start to program It is forbided to power off monitor or switch off connection during programming 4 9 Successful upgrade When upgrade successful there will be green...

Страница 33: ...menu key and power on key synchronously as below figure When the screen lights release the two buttons and then press menu again to open below factory menu 3 If the version is right please do factory...

Страница 34: ...type is USB If no selection of USB as below please disconnect the JIG and then link it again 2 Check the cables and ISP JIG are connected fluently 3 Click the Dis Con and click Connect again 4 AC off...

Страница 35: ...ade by 715GT034 D 1 Materials list LPT cable male to male VGA cable 12V DC adapter TPV P N N A TPV P N 089G728 GAA DB TPV P N ADPC12416BEP ISP JIG 715GT034 D PC Monitor LPT driver ISP tool V4 5 0 8 0...

Страница 36: ...36 2 Connection 3 Install LPT driver 3 1 Double click to install it And restart PC after that 4 Install the ISP tool 4 1 Copy the three files in one folder Don t press down these two buttons...

Страница 37: ...ool 4 3 Click the Config to set the relevant parameters as below 1 Click Config item 2 Select AOC and click Apply in JIG column 3 The speed should be less than 50kHz 4 Select LPT1 in port type and cli...

Страница 38: ...et the parameters in Device window Tick WP Pin pull to high during ISP 4 5 Connect to the monitor Click Connect If the tool communicate with monitor successfully the tool will detect the flash type of...

Страница 39: ...39 4 6 Load the F W you want to upgrade 4 7 Set the restore address Fill 0x03F000 and 4KB for BENQ G2450HM GL2450HM GL2450HE...

Страница 40: ...n Auto window If you have set Restore address please tick Restore Data 4 9 Processing of upgrade After clicking Run the tool start to program It is forbided to power off monitor or switch off connecti...

Страница 41: ...he FW version after upgrade 1 Connect signal source and power cable to monitor and DC off it 2 Press menu key and power on key synchronously as below figure When the screen lights release the two butt...

Страница 42: ...eps The reset will turn off burn in mode 6 Troubleshooting 6 1 Can t Entry ISP Mode Methods to cure 1 Check the cables and ISP JIG are connected fluently 2 Click the Dis Con and click Connect again 3...

Страница 43: ...play The hot keys will display a graduated scale for adjusting the value of that setting and will only operate while the OSD menu is not currently displaying Hot key displays will disappear after a fe...

Страница 44: ...will take effect immediately Main Menu Mode You can use the OSD On Screen Display menu to adjust all the settings on your monitor Available menu options may vary depending on the input sources functio...

Страница 45: ...s the screen settings automatically for you The AUTO key is a hot key for this function When you connect a digital video output using a digital DVI or HDMI cable to your monitor the AUTO key and the A...

Страница 46: ...ss and lightness Press the key to increase the contrast and press the key to decrease the contrast 0 to 100 Sharpness Adjusts the clarity and visibility of the edges of the subjects in the image Press...

Страница 47: ...value 0 to 100 Saturation Adjusts the purity degree of colors Press the or keys to adjust the value 0 to 100 Reset Color Resets the custom color settings to the factory defaults Press the or keys to...

Страница 48: ...ntrast The function is to automatically detect the distribution of an input visual signal and then to create the optimal contrast Press the ENTER key to select this option Press the or keys to change...

Страница 49: ...s with HDMI inputs Determines the range of color scales Select an option that matches the RGB range setting on the connected HDMI device Press the ENTER key to select this option Press the or keys to...

Страница 50: ...nd then press the ENTER key to enter the menu 3 Press the or keys to move the highlight to a menu item and then press the ENTER key to select that item 4 Press the or keys to make adjustments or selec...

Страница 51: ...d Press or keys to change the settings To unlock the OSD controls when the OSD is preset to be locked press and hold the MENU key for 15 seconds to enter the OSD Lock option and make changes Alternati...

Страница 52: ...itor property settings Input Current Resolution Optimum Resolution best with the monitor Model Name Reset All Resets all mode color and geometry settings to the factory default values Press or keys to...

Страница 53: ...50 37 50 75 00 DMT 3 FS 640x480 36 00 43 27 85 01 NP 640x500 25 25 31 00 57 76 IDF 2 P 720x400 28 32 31 47 70 08 FS 720x400 35 5 37 93 85 04 P 832x624 57 27 49 71 74 53 BenQ NP 800x480 29 5 29 74 59...

Страница 54: ...800 71 49 31 59 91 CVT 8 P 1280x800 83 50 49 702 59 81 GTF NP 1280x800 98 894 58 3 70 NP 1280x800 102 8 60 048 72 P 1280x800 106 6 62 795 74 934 FS 1280x800 122 5 71 55 84 88 P 1280x960 108 00 60 00 6...

Страница 55: ...75 CVT2 04M NP 1600x1280 171 75 79 5 59 9 CVT2 41M3 FS 1792X1344 203 25 83 57 59 9 CVT2 41M3 O 1792X1344 257 75 105 290 75 00 CVT2 58M3 O 1856X1392 217 25 86 485 59 934 CVT2 58M3 O 1856X1392 277 5 109...

Страница 56: ...7 027 31 500 60 000 858 720 138 525 480 45 4 Y Prog 27 027 45 000 60 000 1650 1280 370 750 720 30 5 Y Int 74 250 33 750 60 000 2200 1920 280 1125 1080 23 6 7 NA Int 74 250 15 750 60 000 1716 1440 276...

Страница 57: ...message to double confirm the reset function The timer should record up to 99999 hours and will be reset once launch 7 Add three selected items for DVI HDMI DVI HDMI 10M Default Off DVI HPD To disabl...

Страница 58: ...are for reference only and are subject to change without notice Please go to http cs tpv com cn hello1 asp for the latest information Item Description Qty Unit 1 BEZEL 1 PCS 2 LENS 1 PCS 3 KEY BUTTON...

Страница 59: ...ion Qty Unit 6 0D1G1030 6120 POWER BOARD MAINFRAME 2 PCS 7 0M1G1740 8120 POWER BOARD MAINFRAME 1 PCS 8 0D1G1030 6120 MAIN POWER BOARD MAINFRAME 4 PCS 22 AM1G1740 10 47 CR3 STAND HINGE 3 PCS 23 0M1G 13...

Страница 60: ...60 Six Angles View...

Страница 61: ...Remove the base Place the monitor face down on a smooth surface Be careful to avoid scratch and injury during the process of uninstall And then remove the base 2 Remove the stand Press the hole pull a...

Страница 62: ...62 3 Remove the rear cover Remove the screw in red to remove the rear cover Pull apart bezel rear cover Note Be careful the BEZEL CLIP is easy to break...

Страница 63: ...ted to separate bezel and rear cover from the gaps 4 Remove the main frame from the panel Remove the black rubberized fabric and aluminum foil pull out the wire to remove the mainframe Note When you a...

Страница 64: ...e mainframe 6 Remove the boards from the main frame Remove screws in red remove the black rubberized fabric and then pull out the wire The power board The main board Connect main board and speaker Con...

Страница 65: ...5 7 Remove the speaker Pull at the foot of the speaker strongly as follow picture 8 The panel 9 The bezel The foot of the speaker The foot of the speaker The foot of the speaker The foot of the speake...

Страница 66: ...ll be traversed from the middle hole as follow picture The wire will connect power board and speaker 2 Assemble the wire to the main board The foot of the speaker The wire of the speaker The foot of t...

Страница 67: ...ain frame Connect main board and power board connect speaker and power board Lock the main board and power board on the mainframe Stick the black rubberized fabric 4 Assemble the AC COVER Connect main...

Страница 68: ...el 6 Assemble the main frame and the key board Connect key board and main board panel and power board panel and main board Stick the black rubberized fabric and aluminum foil Connect panel and main bo...

Страница 69: ...69 7 Assemble the rear cover Lock the mainframe and rear cover as follow picture 8 Assemble the stand Push the stand as follow picture...

Страница 70: ...70 9 Assemble the base...

Страница 71: ...Panel Interface CN452 Key Control Interface CN401 Crystal 14 31818MHz X401 Scalar IC TSUMO88QWDT3 LF 1 U401 Flash ROM Pm25LD020C SCE U402 EEPROM CAT24C02WI U101 DVI Connector CN501 EEPROM CAT24C02WI...

Страница 72: ...Start Resistor R908 PWM Control IC901 Transformer AC input 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Power Switch Q901 Photo coupler IC902 16V DIM ON OFF Feedback Circuit MOSFE...

Страница 73: ...trol IC901 Transformer AC input 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Power Switch Q901 Photo coupler IC902 16V DIM ON OFF Feedback Circuit MOSFET Q805 Q806 PWM Control ta96...

Страница 74: ...U703 LSP2159BE33AD 3 2 1 VIN VOUT GND CO Lay D B 1 6 Thursday June 02 2011 715G4997 M0D 000 0040 Power G4997 M0D 000 0040 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electron...

Страница 75: ..._R R122 100K 1 16W 5 C106 22P 50V C120 0 1UF 16V R127 200R 5V WP high then write protect GNDB 5 DDCA_SCL R116 10R ZD105 RLZ5 6B 1 2 RIN 5 R102 0R05 1 10W C103 5PF 50V R108 2 2K CN101 DB15 1 6 2 7 3 8...

Страница 76: ...SDA VSYNC DAT1 DAT1 1 3shield DAT3 DAT3 5V SYNC GND HPD DAT0 DAT0 0 5shield DAT5 DAT5 clk shield clk clk GND GND GND GND ZD506 RLZ5 6B HDMI1_CK R502 100K 1 16W 5 FB503 300OHM 1 2 C515 1000pF 50V DVI_...

Страница 77: ...DMI_SCL 4 C425 0 1UF 16V C403 0 1UF 16V HCK 4 R414 4 7K AVDD GNDG 3 KEY1 ZD405 NC RLZ5 6B RX1N 4 C412 0 1UF 16V C438 220PF 50V U403 CAT24C04WI GT3 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC R407 1K 1...

Страница 78: ...0 PA 0 9 5 PB9 PA7 PA2 PA0 PB6 PB0 PB7 PB2 SCL_PANEL 5 PA6 PB7 D A 5 6 Tuesday May 31 2011 715G4997 M0D 000 0040 Panel Interf ace G4997 M0D 000 0040 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME...

Страница 79: ...PGND PGND ROUTP Thernal Pad C612 220pF 50V Headphone output AGND C610 220pF 50V R603 15K 1 16W R602 100K 1 10W R627 100R R625 NC 100K 1 16W 5 R607 75R 1 10W 5 R615 100R R606 100K 1 10W CN605 NC CONN 1...

Страница 80: ...1 10W HS1 HEAT SINK Q901 1 2 C907 100uF 450V BENQ G941 C900 3300pF 250V C9031000pF R907 1K 1 10W 1 R930 100 OHM 1 4W D907 1N4148 R901 1MOHM 5 1 4W BD901 GBL408 2 1 3 4 D904 PS1010R 5V T901 POWER X FMR...

Страница 81: ...4 5 6 R834 NC CN805 CONN 1 2 16V C811 1nF 50V R812 0 15 OHM 1 1 4W R806 4K7 OHM 1 10W 1 R811 330K 1 1 8W R830 1R 1 C838 100pF 50V U801 MP3389EY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2...

Страница 82: ...M C929 470UF 25V C923 1N 50V C921 2200uF 16V 5V EMI Solution HS2 HEAT SINK D901 D906 1 2 R923 220 OHM 1 4W R924 0R33 5 2W R907 1K 1 10W 1 IC903 TL431 A TA R909 100 OHM 1 4W R925 9 1KOHM 1 1 10W R901 1...

Страница 83: ...7GN A 0 TR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VSEN SSTCMP CT RT1 GNDA PDR2 GNDP NDR2 NDR1 PDR1 VDDA TIMER PWM ISEN OVPT ENA CN801 CONN 1 2 C807 3N3 50V CN804 CONN 1 2 R816 2 2 OHM 1 4W R822 NC R81...

Страница 84: ...ADC1 ZD007 NC UDZSNP5 6B 1 2 RIGHT AUTO ZD005 NC UDZSNP5 6B 1 2 1 435V SW001 SW 3 4 2 1 5 6 GND 0 673V C 1 1 Wednesday June 15 2011 715G0000 A 01 KEY BOARD G5048 C X X 2 110603 OEM MODEL Size Rev Date...

Страница 85: ...olor Clean the LCD screen Cycle power on off These pixels are permanently on or off and that is a natural defect occurs in LCD technology The image has a faulty coloration It has a yellow blue or pink...

Страница 86: ...storted Images from different input sources may appear distorted or stretched on the monitor running at its native resolution To have the optimal display performance of each type of input sources you...

Страница 87: ...ned Check Power On Off is On Re plug the power cable Replace main board and check connections Check the LED indicates is OK Check the AC po Replace the power board OK NG OK NG NG Turn on the Power On...

Страница 88: ...een Press the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the power board Replace the LVDS FFC cable or panel NG The end Replace the key boa...

Страница 89: ...mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock i...

Страница 90: ...shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color setti...

Страница 91: ...91 PCB LAYOUT Main Board 715G4997M0E000004L...

Страница 92: ...92...

Страница 93: ...93 Power Board GL2450HM GL2450HE 715G5000P01000003H...

Страница 94: ...94...

Страница 95: ...95 G2450HM 715G5000P01001003H...

Страница 96: ...96...

Страница 97: ...97...

Страница 98: ...98 Key Board 715G5048K01000004I...

Страница 99: ...ity Torque 0D1G1030 6120 D3 6 POWER BOARD MAINFRAME 2 6 1kgf cm 0M1G1740 8120 M4 8 POWER BOARD MAINFRAME 1 6 1kgf cm 0D1G1030 6120 D3 6 MAIN POWER BOARD MAINFRAME 4 6 1kgf cm AM1G1740 10 47 CR3 M4 10...

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